GB/T 2293-2019 Translated English of Chinese Standard. (GBT 2293-2019, GB/T2293-2019, GBT2293-2019): The method of quinoline-insoluble for pitch products of coal carbonization [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]

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https://www.chinesestandard.net, 14 sept. 2019 - 9 pages
This Standard specifies test principle, instruments and reagents, sampling and preparation of sample, test steps, test result calculation and allowable deviation for coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce. This Standard is applicable to determinations of contents of coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce.

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